Microsoft Build Engine Using an Alternate Nameedit

An instance of MSBuild, the Microsoft Build Engine, was started after being renamed. This is uncommon behavior and may indicate an attempt to run unnoticed or undetected.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-windows.*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None


  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Defense Evasion

Version: 9

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

process where event.type in ("start", "process_started") and == "MSBuild.exe" and
  not : "MSBuild.exe"